Home / 13,488.37-20,230.10-3,625.34

Finding the Fourth Proportional to 13,488.37, 20,230.10 and 3,625.34

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Solution

The fourth proportional to 13,488.37, 20,230.10 and 3,625.34 is: 5,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.37 : 20,230.10 = 3,625.34 : x
  2. Step 2: Convert to fraction form
    13,488.37/20,230.10 = 3,625.34/x
  3. Step 3: Cross multiply
    13,488.37x = 20,230.10 × 3,625.34
  4. Step 4: Simplify right side
    13,488.37x = 73,340,990.73
  5. Step 5: Solve for x
    x = 73,340,990.73/13,488.37
  6. Step 6: Final answer
    x = 5,437.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.